Brand: Astro Pneumatic Tool Company Manufacturer's Part Number: 9477 Part Type: Wire Crimping Tools Product Line: Astro Pneumatic Tool Company 7-Piece Professional Quick-Change Ratchet Crimping Tool Sets Summit Racing Part Number: APT-9477 UPC: 745227014750 Hand-Held: Yes Vise Mount: No Ratcheting Type: Yes Crimps Wire: Yes Crimps Spark Plug Wires: No Cuts Wire: No Crimping Tool Material: Steel Crimping Tool Color: Black oxide Crimping Tool Handle Material: Rubber Crimping Tool Handle Color: Black/Red Quantity: Sold as a kit. Astro Pneumatic Tool Company 7-Piece Professional Quick-Change Ratchet Crimping Tool Sets Astro Pneumatic 7-piece Professional quick-interchangeable ratchet crimping tool sets have become a staple in the automotive repair and aftermarket wiring industry. The crimping tools feature precision interchangeable jaws designed in Germany for a consistent reliable crimp. They have an adjustable ratcheting tension design that allows you to set the desired crimp tension， and most jaws feature a double crimp design， where applicable. You can choose to either single crimp or crimp both the insulation and wire contact at the same time. Astro Professional sets feature a durable plastic case to hold crimper and dies. Additional dies are available separately. Astro 7-piece crimping tool sets include the following dies:* A-jaw for insulated terminals: AWG 22-18/16-14/12* B-jaw for non-insulated terminals: AWG 20-18/16-14/12-10/8* C-jaw for open barrel terminals: AWG 20-18/16-14/12-10* D-jaw for insulated cord-end terminals: AWG 22/20/18/16/14/12 * F-jaw for insulated cord-end terminals: AWG 10/8/6* H-jaw for open barrel terminals and D-sub: AWG 14/22/8